code: def regist(self, name, metrics):
      assert metrics.__base__ == Metrics, "Unknow model type {}".format(
          type(metrics)
      )
      self.metrics_zoo[name] = metrics
  
imports: from __future__ import absolute_import
  from __future__ import unicode_literals
  from __future__ import print_function
  from __future__ import division
  import io
  import logging
  import numpy
  from videotag_tsn_lstm.resource.metrics.youtube8m import eval_util
label_desc: Use image node_id 2 for calling the MetricsZoo obj's underlying member method code with example usage: obj.regist(name, metrics) without return types